Question
Find $\operatorname{Var}(X)$ and $\operatorname{Var}(Y)$ for $X$ and $Y$ as given in Problem 21 .
Step 1
This is given by the formula: \[E[X]^2 = \left(\frac{40^3 + 33^3 + 25^3 + 50^3}{148}\right)^2 \approx 1625.4\] Show more…
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